OMIX proudly offers all the parts you need to keep your Willys Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement exhaust manifold fits 81 CJ5, 81 - 86 CJ7 CJ8 Scrambler, 87 - 90 Wrangler YJ, 81 - 87 J - Series Trucks, 81 - 83 Cherokee Wagoneer SJ and 84 - 86 Grand Wagoneer SJ models equipped with 4.2 - liter engines. For manifold gasket set, use 17451.04. Replaces OE 3237427